/* * Copyright (c) 1994, 2003, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */package sun.tools.tree;import sun.tools.java.*;import sun.tools.asm.Assembler;/** * WARNING: The contents of this source file are not part of any * supported API. Code that depends on them does so at its own risk: * they are subject to change or removal without notice. */publicclass BitNotExpression extends UnaryExpression { /** * Constructor */ public BitNotExpression(long where, Expression right) { super(BITNOT, where, right.type, right); } /** * Select the type of the expression */ void selectType(Environment env, Context ctx, int tm) { if ((tm & TM_LONG) != 0) { type = Type.tLong; } else { type = Type.tInt; } right = convert(env, ctx, type, right); } /** * Evaluate */ Expression eval(int a) { return new IntExpression(where, ~a); } Expression eval(long a) { return new LongExpression(where, ~a); } /** * Simplify */ Expression simplify() { if (right.op == BITNOT) { return ((BitNotExpression)right).right; } return this; } /** * Code */ public void codeValue(Environment env, Context ctx, Assembler asm) { right.codeValue(env, ctx, asm); if (type.isType(TC_INT)) { asm.add(where, opc_ldc, new Integer(-1)); asm.add(where, opc_ixor); } else { asm.add(where, opc_ldc2_w, new Long(-1)); asm.add(where, opc_lxor); } }}
/*
* Copyright (c) 1994, 2003, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package sun.tools.tree;
import sun.tools.java.*;
import sun.tools.asm.Assembler;
/**
* WARNING: The contents of this source file are not part of any
* supported API. Code that depends on them does so at its own risk:
* they are subject to change or removal without notice.
*/
public
class BitNotExpression extends UnaryExpression {
/**
* Constructor
*/
public BitNotExpression(long where, Expression right) {
super(BITNOT, where, right.type, right);
}
/**
* Select the type of the expression
*/
void selectType(Environment env, Context ctx, int tm) {
if ((tm & TM_LONG) != 0) {
type = Type.tLong;
} else {
type = Type.tInt;
}
right = convert(env, ctx, type, right);
}
/**
* Evaluate
*/
Expression eval(int a) {
return new IntExpression(where, ~a);
}
Expression eval(long a) {
return new LongExpression(where, ~a);
}
/**
* Simplify
*/
Expression simplify() {
if (right.op == BITNOT) {
return ((BitNotExpression)right).right;
}
return this;
}
/**
* Code
*/
public void codeValue(Environment env, Context ctx, Assembler asm) {
right.codeValue(env, ctx, asm);
if (type.isType(TC_INT)) {
asm.add(where, opc_ldc, new Integer(-1));
asm.add(where, opc_ixor);
} else {
asm.add(where, opc_ldc2_w, new Long(-1));
asm.add(where, opc_lxor);
}
}
}